CODICI ECO: A50 - A59

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Codici ECO: A B C D E

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Budapest Defence A51-A52

Benko Gambit A57-A59

 

 

------------------------------------ A50 ------------------------------------

A50 Queen's pawn game

1.d2d4 g8f6 c2c4

   A50 Kevitz-Trajkovich defence

   1.d2d4 g8f6 c2c4 b8c6

   A50 Queen's Indian accelerated

   1.d2d4 g8f6 c2c4 b7b6

 

------------------------------------ A51 ------------------------------------

A51 Budapest defence declined

1.d2d4 g8f6 c2c4 e7e5

   A51 Budapest: Fajarowicz variation

   1.d2d4 g8f6 c2c4 e7e5 d4e5 f6e4

      A51 Budapest: Fajarowicz, Steiner variation

      1.d2d4 g8f6 c2c4 e7e5 d4e5 f6e4 d1c2

 

------------------------------------ A52 ------------------------------------

A52 Budapest defence

1.d2d4 g8f6 c2c4 e7e5 d4e5 f6g4

   A52 Budapest: Adler variation

   1.d2d4 g8f6 c2c4 e7e5 d4e5 f6g4 g1f3

   A52 Budapest: Rubinstein variation

   1.d2d4 g8f6 c2c4 e7e5 d4e5 f6g4 c1f4

   A52 Budapest: Alekhine variation

   1.d2d4 g8f6 c2c4 e7e5 d4e5 f6g4 e2e4

      A52 Budapest: Alekhine, Abonyi variation

      1.d2d4 g8f6 c2c4 e7e5 d4e5 f6g4 e2e4 g4e5 f2f4 e5c6

      A52 Budapest: Alekhine variation, Balogh gambit

      1.d2d4 g8f6 c2c4 e7e5 d4e5 f6g4 e2e4 d7d6

 

------------------------------------ A53 ------------------------------------

A53 Old Indian defence

1.d2d4 g8f6 c2c4 d7d6

   A53 Old Indian: Janowski variation

   1.d2d4 g8f6 c2c4 d7d6 b1c3 c8f5

 

------------------------------------ A54 ------------------------------------

A54 Old Indian: Ukrainian variation

1.d2d4 g8f6 c2c4 d7d6 b1c3 e7e5

   A54 Old Indian: Dus-Khotimirsky variation

   1.d2d4 g8f6 c2c4 d7d6 b1c3 e7e5 e2e3 b8d7 f1d3

   A54 Old Indian: Ukrainian variation, 4.Nf3

   1.d2d4 g8f6 c2c4 d7d6 b1c3 e7e5 g1f3

 

------------------------------------ A55 ------------------------------------

A55 Old Indian: main line

1.d2d4 g8f6 c2c4 d7d6 b1c3 e7e5 g1f3 b8d7 e2e4

 

------------------------------------ A56 ------------------------------------

A56 Benoni defence

1.d2d4 g8f6 c2c4 c7c5

   A56 Benoni defence, Hromodka system

   1.d2d4 g8f6 c2c4 c7c5 d4d5 d7d6

   A56 Vulture defence

   1.d2d4 g8f6 c2c4 c7c5 d4d5 f6e4

   A56 Czech Benoni defence

   1.d2d4 g8f6 c2c4 c7c5 d4d5 e7e5

      A56 Czech Benoni: King's Indian system

      1.d2d4 g8f6 c2c4 c7c5 d4d5 e7e5 b1c3 d7d6 e2e4 g7g6

 

------------------------------------ A57 ------------------------------------

A57 Benko gambit

1.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5

   A57 Benko gambit half accepted

   1.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6

      A57 Benko gambit: Zaitsev system

      1.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b1c3

         A57 Benko gambit: Nescafe Frappe attack

         1.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b1c3 a6b5 e2e4 b5b4

           c3b5 d7d6 f1c4

 

------------------------------------ A58 ------------------------------------

A58 Benko gambit accepted

1.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6

   A58 Benko gambit: Nd2 variation

   1.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6 g1f3 g7g6

     f3d2

   A58 Benko gambit: fianchetto variation

   1.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6 g1f3 g7g6

     g2g3

 

------------------------------------ A59 ------------------------------------

A59 Benko gambit: 7.e4

1.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6 e2e4

   A59 Benko gambit: Ne2 variation

   1.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6 e2e4 a6f1

     e1f1 g7g6 g1e2

   A59 Benko gambit

   1.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6 e2e4 a6f1

     e1f1 g7g6 g2g3

      A59 Benko gambit: main line

      1.d2d4 g8f6 c2c4 c7c5 d4d5 b7b5 c4b5 a7a6 b5a6 c8a6 b1c3 d7d6

        e2e4 a6f1 e1f1 g7g6 g2g3 f8g7 f1g2 e8g8 g1f3